H.323 Voip Advanced Configuration - Soundwin VoIP Voice Gateway User Manual

H.323 VoIP Advanced Configuration

There are many H.323, VoIP, Codec and other more detail Setting, you can set in "Advance
Setting". For SIP and H.323, there are a little different in advance setting. There are 3 different
parts to setting about VoIP, Telephone and network.
[Advance Setting]
Item
DTMF Relay for H.323:
H.323 Mode:
H.323 H.245 Tunneling:
FAX Mode Option:
H.323 Registration type:
H.323 RRQ TTL:
H.323 Autoanswer:
Description
After the VoIP call is connected, when you dial a digit, this digit is
sent to the other side by DTMF tone. There are two methods of
sending the DTMF tone. The first is "in band", that is, sending the
DTMF tone in the voice packet. The other is "out band", that is,
sending the DTMF tone as a signal. Sending DTMF tone as a
signal could tolerate more packet loss caused by the network. If
this selection is enabled, the DTMF tone will be sent as a signal.
This selection could force the Gateway to use normal start mode
(default mode) or fast start mode when establishing a VoIP call.
Many other gateways only support normal start mode, enable this
selection when it is necessary. The default is disabled (using fast
start mode).
This selection could force the Gateway to use H.245 Tunneling
when establishing a VoIP call The default is disabled (using fast
start mode).
T.30/T.38 real-time FAX compliant Voice/FAX auto-switch. The
T.38 is a "Real Time Group 3 Fax Communication over IP
network" format. That's meaning it's a protocol for Fax over IP.
You have to enable this function
(T.38 mode isn't support all gateway, different band use T.38 have
a little change, it maybe let T.38 FAX Error)
There are 2 choices for this setting. "Gateway" means it will act as
the VoIP gateway. "Terminal" means it will act as the IP phone
terminal.
This command configures the number of seconds that the
gateway should be considered active by the H.323 gatekeeper.
The gateway transmits this value in the RRQ message to the
gatekeeper. The default value is "0".
When a VoIP call is incoming, the Gateway will ring a specific
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